Dscanner - It exists

[deadalnix]

Le 01/08/2012 23:19, Andrei Alexandrescu a écrit :
> On 8/1/12 5:09 PM, deadalnix wrote:
>> Le 01/08/2012 19:58, Brian Schott a écrit :
>>> On Wednesday, 1 August 2012 at 17:36:16 UTC, Walter Bright wrote:
>>>>
>>>> I suggest proposing the D lexer as an addition to Phobos. But if that
>>>> is done, its interface would need to accept a range as input, and its
>>>> output should be a range of tokens.
>>>
>>> It used to be range-based, but the performance was terrible. The
>>> inability to use slicing on a forward-range of characters and the
>>> gigantic block on KCachegrind labeled "std.utf.decode" were the reasons
>>> that I chose this approach. I wish I had saved the measurements on
>>> this....
>>
>> Maybe a RandomAccessRange could do the trick ?
>
> I think the best way here is to define a BufferedRange that takes any
> other range and supplies a buffer for it (with the appropriate
> primitives) in a native array.
>
> Andrei
>

This make sense. The stuff can be a noop on arrays, and that solve 
everything.